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2 Commits
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92c4c3e5ac | 2 years ago |
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3cd49b79ce | 2 years ago |
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@ -1,255 +0,0 @@
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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//单个便签项
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package net.micode.notes.model;
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import android.content.ContentProviderOperation; // 批量的更新。插入。删除数据
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import android.content.ContentProviderResult; // 操作的结果
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import android.content.ContentUris; // 用于添加和获取Uri后面的ID
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import android.content.ContentValues; // 一种用来存储基本数据类型的存储机制
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import android.content.Context; // 需要用该类来弄清楚调用者的实例
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import android.content.OperationApplicationException; // 操作应用程序容错
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import android.net.Uri; // 表示待操作的数据
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import android.os.RemoteException; // 远程容错
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import android.util.Log; // 输出日志。比如说出错。警告等
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import net.micode.notes.data.Notes;
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import net.micode.notes.data.Notes.CallNote;
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import net.micode.notes.data.Notes.DataColumns;
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import net.micode.notes.data.Notes.NoteColumns;
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import net.micode.notes.data.Notes.TextNote;
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import java.util.ArrayList;
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//笔记类
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public class Note {
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private ContentValues mNoteDiffValues;
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private NoteData mNoteData;
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private static final String TAG = "Note";
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/**
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* Create a new note id for adding a new note to databases
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*/
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public static synchronized long getNewNoteId(Context context, long folderId) {
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// 在数据库中创建一个新笔记
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ContentValues values = new ContentValues();
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long createdTime = System.currentTimeMillis();
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values.put(NoteColumns.CREATED_DATE, createdTime);
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values.put(NoteColumns.MODIFIED_DATE, createdTime);
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values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
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values.put(NoteColumns.LOCAL_MODIFIED, 1);
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values.put(NoteColumns.PARENT_ID, folderId); // 将数据写入数据库表格
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
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// ContentResolver()主要实现外部应用对ContentProvider中的数据
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// 进行添加。删除。修改和查询操作
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long noteId = 0;
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try {
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noteId = Long.valueOf(uri.getPathSegments().get(1));
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} catch (NumberFormatException e) {
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Log.e(TAG, "Get note id error :" + e.toString());
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noteId = 0;
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} // try—catch 异常处理
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if (noteId == -1) {
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throw new IllegalStateException("Wrong note id:" + noteId);
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}
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return noteId;
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}
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// 定义两个变量用来储存便签的数据,一个是储存便签属性、一个是储存便签内容
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public Note() {
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mNoteDiffValues = new ContentValues();
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mNoteData = new NoteData();
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}
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// 设置数据库表格的标签属性数据
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public void setNoteValue(String key, String value) {
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mNoteDiffValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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}
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// 设置数据库表格的标签文本内容的数据
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public void setTextData(String key, String value) {
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mNoteData.setTextData(key, value);
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}
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// 设置文本数据ID
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public void setTextDataId(long id) {
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mNoteData.setTextDataId(id);
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}
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// 得到文本数据的ID
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public long getTextDataId() {
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return mNoteData.mTextDataId;
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}
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// 设置电话号码数据的ID
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public void setCallDataId(long id) {
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mNoteData.setCallDataId(id);
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}
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// 得到电话号码数据的ID
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public void setCallData(String key, String value) {
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mNoteData.setCallData(key, value);
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}
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// 判断是否是本地修改
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public boolean isLocalModified() {
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return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
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}
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// 判断数据是否同步
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public boolean syncNote(Context context, long noteId) {
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if (noteId <= 0) {
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throw new IllegalArgumentException("Wrong note id:" + noteId);
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}
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if (!isLocalModified()) {
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return true;
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}
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/**
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* In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
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* {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
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* note data info
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*/
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if (context.getContentResolver().update(
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ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
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null) == 0) {
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Log.e(TAG, "Update note error, should not happen");
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// Do not return, fall through
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}
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mNoteDiffValues.clear();
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if (mNoteData.isLocalModified()
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&& (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
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return false;
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}
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return true;
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}
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// 定义一个基本的便签内容的数据类、主要包含文本数据和电话号码数据
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private class NoteData {
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private long mTextDataId;
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private ContentValues mTextDataValues;// 文本数据
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private long mCallDataId;
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private ContentValues mCallDataValues;// 电话号码数据
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private static final String TAG = "NoteData";
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// 下面是上述几个方法的具体实现
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public NoteData() {
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mTextDataValues = new ContentValues();
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mCallDataValues = new ContentValues();
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mTextDataId = 0;
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mCallDataId = 0;
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}
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boolean isLocalModified() {
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return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
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}
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void setTextDataId(long id) {
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if(id <= 0) {
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throw new IllegalArgumentException("Text data id should larger than 0");
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}
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mTextDataId = id;
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}
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void setCallDataId(long id) {
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if (id <= 0) {
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throw new IllegalArgumentException("Call data id should larger than 0");
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}
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mCallDataId = id;
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}
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void setCallData(String key, String value) {
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mCallDataValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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}
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void setTextData(String key, String value) {
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mTextDataValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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}
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//下面方法的作用是将新的数据通过Uri的操作存储到数据库
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Uri pushIntoContentResolver(Context context, long noteId) {
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/**
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* Check for safety
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*/
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//判断数据是否合法
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if (noteId <= 0) {
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throw new IllegalArgumentException("Wrong note id:" + noteId);
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}
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ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
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ContentProviderOperation.Builder builder = null;
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//把文本数据存入DataColumns
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if(mTextDataValues.size() > 0) {
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mTextDataValues.put(DataColumns.NOTE_ID, noteId);
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if (mTextDataId == 0) {
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mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
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mTextDataValues);
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try {
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setTextDataId(Long.valueOf(uri.getPathSegments().get(1)));
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} catch (NumberFormatException e) {
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Log.e(TAG, "Insert new text data fail with noteId" + noteId);
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mTextDataValues.clear();
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return null;
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}
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} else {
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builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
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Notes.CONTENT_DATA_URI, mTextDataId));
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builder.withValues(mTextDataValues);
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operationList.add(builder.build());
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}
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mTextDataValues.clear();
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}
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//把电话号码数据存入DataColumns
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if(mCallDataValues.size() > 0) {
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mCallDataValues.put(DataColumns.NOTE_ID, noteId);
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if (mCallDataId == 0) {
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mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
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mCallDataValues);
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try {
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setCallDataId(Long.valueOf(uri.getPathSegments().get(1)));
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} catch (NumberFormatException e) {
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Log.e(TAG, "Insert new call data fail with noteId" + noteId);
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mCallDataValues.clear();
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return null;
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}
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} else {
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builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
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Notes.CONTENT_DATA_URI, mCallDataId));
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builder.withValues(mCallDataValues);
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operationList.add(builder.build());
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}
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mCallDataValues.clear();
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}
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//存储过程中的异常处理
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if (operationList.size() > 0) {
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try {
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ContentProviderResult[] results = context.getContentResolver().applyBatch(
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Notes.AUTHORITY, operationList);
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return (results == null || results.length == 0 || results[0] == null) ? null
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: ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId);
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} catch (RemoteException e) {
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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return null;
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} catch (OperationApplicationException e) {
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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return null;
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}
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}
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return null;
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}
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}
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}
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@ -1,33 +0,0 @@
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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.ui;
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import android.content.BroadcastReceiver; //接受来自系统和应用的广播并对其进行响应的组件
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import android.content.Context; //翻译上下文环境
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import android.content.Intent; //解决应用的各项组件之间的通讯
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//这个类是实现alarm这个功能最接近用户层的包
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//具体的作用还要深究setClass和addFlags
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public class AlarmReceiver extends BroadcastReceiver {
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@Override
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public void onReceive(Context context, Intent intent) {
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//启动AlarmAlertActivity
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intent.setClass(context, AlarmAlertActivity.class);
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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context.startActivity(intent);
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}
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}
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@ -1,72 +0,0 @@
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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.ui;
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import android.content.Context;
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import android.view.Menu; //菜单组件
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import android.view.MenuItem; //菜单通用项
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.widget.Button;
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import android.widget.PopupMenu;
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import android.widget.PopupMenu.OnMenuItemClickListener;
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import net.micode.notes.R;
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public class DropdownMenu {
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private Button mButton;
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//声明一个下拉菜单
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private PopupMenu mPopupMenu;
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private Menu mMenu;
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public DropdownMenu(Context context, Button button, int menuId) {
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mButton = button;
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mButton.setBackgroundResource(R.drawable.dropdown_icon);
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//设置这个view的背景
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mPopupMenu = new PopupMenu(context, mButton);
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mMenu = mPopupMenu.getMenu();
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//MenuInflater是用来实例化Menu目录下的Menu布局文件
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//根据ID来确认menu的内容选项
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mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
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mButton.setOnClickListener(new OnClickListener() {
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public void onClick(View v) {
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mPopupMenu.show();
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}
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});
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}
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//设置菜单的监听
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public void setOnDropdownMenuItemClickListener(OnMenuItemClickListener listener) {
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if (mPopupMenu != null) {
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mPopupMenu.setOnMenuItemClickListener(listener);
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}
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}
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//对于菜单选项的初始化,根据索引搜索菜单需要的选项
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public MenuItem findItem(int id) {
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return mMenu.findItem(id);
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}
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//布局文件,设置标题
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public void setTitle(CharSequence title) {
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mButton.setText(title);
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}
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}
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